Update Mattermost to 4.0.3.
This is to address login issues reported here: https://gitlab.com/gitlab-org/gitlab-ce/issues/35472.
This release does not contain any security updates.
Edited by username-removed-570793
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This is to address login issues reported here: https://gitlab.com/gitlab-org/gitlab-ce/issues/35472.
This release does not contain any security updates.